#define _CRT_SECURE_NO_WARNINGS 1

#include <iostream>

using namespace std;

void Func(int a, int b = 10, int c = 10)
{
	cout << "a = " << a << endl;
	cout << "b = " << b << endl;
	cout << "c = " << c << endl << endl;
}

int main()
{
	Func(1);
	Func(1,2);
	Func(1,2,3);

	return 0;
}
